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1CI6

TRANSCRIPTION FACTOR ATF4-C/EBP BETA BZIP HETERODIMER

Functional Information from GO Data
ChainGOidnamespacecontents
A0003700molecular_functionDNA-binding transcription factor activity
A0006355biological_processregulation of DNA-templated transcription
B0003700molecular_functionDNA-binding transcription factor activity
B0006351biological_processDNA-templated transcription
B0006355biological_processregulation of DNA-templated transcription
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE FE B 400
ChainResidue
BTHR277
BTHR277
BASN280
BASN280

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE BME A 500
ChainResidue
ACYS310
ALYS315
BLYS253

Functional Information from PROSITE/UniProt
site_idPS00036
Number of Residues16
DetailsBZIP_BASIC Basic-leucine zipper (bZIP) domain signature. KkmeQNKtAATRyRQK
ChainResidueDetails
ALYS283-LYS298

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues36
DetailsRegion: {"description":"Interaction with GABBR1","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues35
DetailsRegion: {"description":"Leucine-zipper","evidences":[{"source":"PROSITE-ProRule","id":"PRU00978","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"16219772","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by PKC/PRKCA","evidences":[{"source":"UniProtKB","id":"P17676","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by CaMK2","evidences":[{"source":"PubMed","id":"1314426","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"UniProtKB","id":"P17676","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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